1. An MR-2 starts from rest and accelerates westward to a speed of 27 m/s in 11.8 seconds.
a) What is its acceleration?
b) What is the displacement it covered?

a is the best answer your welcome

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the tires are rotating at 0.434 rpmlinear speed=45 m/sdiameter=0.550 mradius=0.275 mnow v= rωω= v/rω=45/0.275ω=163.6 rad/sω=163.6 rad/s (1rev/2π rad) (60s/1m)ω=1563 rpm